CN211521948U - Electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit - Google Patents
Electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit Download PDFInfo
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- CN211521948U CN211521948U CN201922113310.5U CN201922113310U CN211521948U CN 211521948 U CN211521948 U CN 211521948U CN 201922113310 U CN201922113310 U CN 201922113310U CN 211521948 U CN211521948 U CN 211521948U
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- reaction tank
- rotating shaft
- heavy metal
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Abstract
The utility model discloses an electrochemical microorganism rotary table low-concentration heavy metal wastewater purification and recovery device, which comprises a reaction tank, wherein both ends of the reaction tank are respectively provided with a water inlet and a water outlet overflow weir, the reaction tank is rotationally connected with a rotating shaft which runs through the reaction tank along an axis, the rotating shaft is divided into a conductive section and an insulating section, and the insulating section is connected with a motor which drives the rotating shaft to rotate; a spiral fixer is wound on the periphery of the part of the rotating shaft in the reaction tank, a plurality of biological discs are detachably mounted on the spiral fixer, the biological discs are in the shape of spiral blades, one end of the rotating shaft, which is far away from the motor, is rotatably connected with an electric slip ring on the outer side of the reaction tank, the electric slip ring is connected with a direct current negative electrode, an inert anode material is lined in the inner wall of the reaction tank, and the inert anode material is connected with a direct current positive electrode; the cleaning brush is detachably arranged on the outer side of the bio-disc far away from the rotating shaft. The utility model discloses can make sewage and biological rotating disc fully contact, effectively promote the sewage treatment effect to be convenient for clear up the filth of reaction tank inner wall.
Description
Technical Field
The utility model relates to a sewage treatment technical field, in particular to electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit.
Background
As a sewage biological treatment technology, the biological rotating disk is always considered to be a process with good effect, high efficiency, convenient maintenance and low operation cost.
The electrochemical microorganism rotating disc device is an organic combination of an electrochemical reactor and a rotating disc, heavy metal ions with low concentration in the enriched wastewater are expected to be adsorbed by a specific screened characteristic biological film, and the enriched heavy metal ions are reduced and deposited by an electrochemical reduction reaction generated by a rotating disc cathode to be removed. In the sewage treatment process, sewage enters from one end of the reaction tank and flows out from the other end after treatment, but the existing biological rotating discs are disc-shaped, the sewage cannot be fully contacted with the biological rotating discs, and the sewage treatment effect is not ideal; and in the long-time sewage treatment process, a lot of dirt is attached to the inner wall of the reaction tank, so that the reaction tank is difficult to clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit adopts spiral helicine biological rotating disk, makes sewage and biological rotating disk fully contact, effectively promotes the sewage treatment effect to be convenient for clear up the filth of reaction tank inner wall.
The above technical purpose of the present invention can be achieved by the following technical solutions: an electrochemical microorganism rotary table low-concentration heavy metal wastewater purification and recovery device comprises a reaction tank with a semicircular arc-shaped cross section, wherein a water inlet and a water outlet overflow weir are respectively formed at two ends of the reaction tank, an arc cover is placed at the upper end of the reaction tank to form a complete cylinder, the reaction tank is rotatably connected with a rotating shaft which penetrates through the reaction tank along an axis, the rotating shaft is divided into a conductive section and an insulating section, the insulating section is a section of the rotating shaft extending out of one end of the reaction tank, and the insulating section is connected with a motor which drives the rotating shaft to rotate;
a spiral fixer is wound on the periphery of the part of the rotating shaft in the reaction tank, a plurality of biological discs are detachably mounted on the spiral fixer along a spiral, the biological discs are in the shape of spiral blades, the biological discs are made of non-corrodible inert cathode materials and are attached with characteristic biological membranes, one end of the rotating shaft, far away from the motor, is rotatably connected with an electric slip ring on the outer side of the reaction tank, the electric slip ring is connected with a direct current cathode, the inner wall of the reaction tank is lined with non-corrodible inert anode materials, and the inert anode materials are connected with a direct current anode;
the biological disk is kept away from the outside demountable installation of pivot has the cleaning brush, the outlet has been seted up to the bottom of reaction tank one end.
By adopting the technical scheme, after sewage enters from one end of the reaction tank, the sewage is continuously pushed to the other end under the rotation of the biological disc and is fully contacted with the biological disc, the secretion of microorganisms on a characteristic biomembrane on the biological disc has the function of electron shuttling for adsorbing and enriching metal ions and the secretion, the reduction overpotential of the metal ions is reduced, the heavy metal ions in the sewage are adsorbed by the secretion of the microorganisms on the biological disc and are reduced to generate precipitates, the content of the heavy metal ions in the sewage is gradually reduced in the continuous contact process with the biological disc, and finally the heavy metal ions flow out from the effluent overflow weir, and the heavy metal reduced on the biological disc is recovered by detaching the biological disc;
when the reaction tank needs to be cleaned, the cleaning brush is installed on the biological disc, the motor is started, the motor drives the cleaning brush to scrub the inner wall of the semicircular reaction tank without dead angles, attachments on the surface are cleaned, and finally the water outlet is opened to discharge sewage to finish cleaning the reaction tank.
The utility model discloses a further set up to: the biological disc is connected with the spiral fixer through a bolt.
The utility model discloses a further set up to: the bio-disc is kept away from the outside of pivot is provided with the mount pad, the mount pad to the mounting hole of taking the internal screw thread is seted up to the pivot direction, the one end of cleaning brush is provided with the connecting axle that has the external screw thread, the mounting hole with connecting axle threaded connection.
The utility model discloses a further set up to: and a sedimentation tank is arranged at one end of the reaction tank at the effluent overflow weir.
The utility model discloses a further set up to: the water inlet is connected with a water inlet pipe, and the water outlet is connected with a water drain pipe.
The utility model discloses a further set up to: the motor is a speed regulating motor.
To sum up, the utility model discloses following beneficial effect has:
firstly, the utility model adopts the spiral biological rotating disc to ensure that the sewage is fully contacted with the biological rotating disc, the secretion of the microorganism on the characteristic biological membrane on the biological rotating disc has the electronic shuttle function of adsorbing and enriching metal ions and the secretion, the reduction overpotential of the metal ions is reduced, the heavy metal ions in the sewage can be fully adsorbed and precipitated, and the device is suitable for purifying the low-concentration heavy metal wastewater;
secondly, the utility model discloses can carry out self-cleaning to the reaction tank, it is convenient to wash, uses manpower sparingly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a state diagram of the present invention with the arc cover removed;
FIG. 3 is a view mainly illustrating the connection between the rotating shaft and the screw holder;
fig. 4 is mainly used to show the connection of the bio-disc with the washing brush.
In the figure: 1. a reaction tank; 2. a sedimentation tank; 3. a rotating shaft; 41. a motor; 42. an electrical slip ring; 5. a screw holder; 6. a bio-disc; 7. cleaning brushes; 71. a mounting seat; 72. mounting holes; 73. a connecting shaft; 81. a water inlet pipe; 82. an effluent overflow weir; 83. a drain pipe; 9. and (4) an arc cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An embodiment, an electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit, refer to fig. 1-4, including the cross-section is half-circular arc's reaction tank 1, a water inlet and a play water overflow weir 82 have been seted up respectively to the both ends of reaction tank 1, an arc lid 9 has been placed to the upper end of reaction tank 1 forms a complete cylinder, make inside formation relatively sealed environment, the anaerobe of being convenient for survives, the water inlet is connected with a inlet tube 81, sewage gets into reaction tank 1 from inlet tube 81, reaction tank 1 is provided with a sedimentation tank 2 in the one end of play water overflow weir, sewage after the processing flows out to sedimentation tank 2 in from play water overflow weir 82.
The reaction tank 1 is rotatably connected with a rotating shaft 3 which penetrates through the reaction tank 1 along the axis, the rotating shaft 3 is divided into a conductive section and an insulating section, the insulating section is a section of the rotating shaft 3 extending out of one end of the reaction tank 1, the insulating section is connected with a motor 41 which drives the rotating shaft 3 to rotate, and the motor 41 is a speed regulating motor 41 which is convenient for regulating the rotating speed of the motor 41 according to actual conditions.
A spiral fixer 5 is wound on the periphery of the part of the rotating shaft 3 in the reaction tank 1, a plurality of biological discs 6 are detachably mounted on the spiral fixer 5 along a spiral, the biological discs 6 are connected with the spiral fixer 5 through bolts, the biological discs 6 are in the shape of spiral blades, a plurality of spiral blades are mounted to form a complete spiral blade wound on the rotating shaft 3, the biological discs 6 are made of non-corrosive inert cathode materials and are attached with characteristic biological membranes, microorganisms on the characteristic biological membranes can secrete secretion capable of adsorbing metal ions, one end of the rotating shaft 3, far away from the motor 41, is rotatably connected with an electric slip ring 42 on the outer side of the reaction tank 1, the electric slip ring 42 is fixedly connected with the reaction tank 1, the electric slip ring 42 is connected with a direct current negative electrode, the inner wall of the reaction tank 1 is lined with non-corrosive inert anode materials, and the inert anode materials are connected with a direct; after the power is switched on, the sewage is taken as a dielectric medium, and the biological rotating disk, the rotating shaft 3, the electric slip ring 42, the power supply, the inert anode material and the sewage form a loop to perform oxidation-reduction reaction.
The outer side of the bio-disc 6, which is far away from the rotating shaft 3, is detachably provided with a cleaning brush 7, the outer side of the bio-disc 6, which is far away from the rotating shaft 3, is provided with a mounting seat 71, the mounting seat 71 is provided with a mounting hole 72 with internal threads towards the rotating shaft 3, one end of the cleaning brush 7 is provided with a connecting shaft 73 with external threads, the mounting hole 72 is in threaded connection with the connecting shaft 73, when the reaction tank 1 needs to be cleaned, the cleaning brush 7 is mounted on the bio-disc 6, the reaction tank 1 can be cleaned by starting the motor 41, a water outlet is formed in the bottom of one end of the reaction tank 1, the water outlet is connected with a water drain pipe 83, the.
The working principle is as follows: after entering from one end of the reaction tank 1, sewage is pushed to the other end continuously under the rotation of the bio-disc 6 and is fully contacted with the bio-disc 6, the secretion of microorganisms on a characteristic biomembrane on the bio-disc 6 has the function of electronic shuttle for adsorbing and enriching metal ions and secretion, the reduction overpotential of the metal ions is reduced, heavy metal ions in the sewage are adsorbed by the secretion of the microorganisms on the bio-disc 6 and are reduced to generate sediment, the content of the heavy metal ions in the sewage is gradually reduced in the continuous contact process with the bio-disc 6, and finally the heavy metal ions flow out of the effluent overflow weir 82 into the sedimentation tank 2, and the heavy metal reduced on the bio-disc 6 is recovered by detaching the bio-disc 6;
when the reaction tank 1 needs to be cleaned, the cleaning brush 7 is mounted on the bio-disc 6, the motor 41 is started, the motor 41 drives the cleaning brush 7 to scrub the inner wall of the semicircular reaction tank 1 without dead angles, the attachments on the surface are cleaned, and finally the water outlet is opened to discharge the sewage to finish the cleaning of the reaction tank 1.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit, is half-circular arc's reaction tank (1) including the cross-section, its characterized in that: a water inlet and a water outlet overflow weir (82) are respectively arranged at two ends of the reaction tank (1), an arc cover (9) is placed at the upper end of the reaction tank (1) to form a complete cylinder, the reaction tank (1) is rotatably connected with a rotating shaft (3) which penetrates through the reaction tank (1) along an axis, the rotating shaft (3) is divided into a conductive section and an insulating section, the insulating section is a section of the rotating shaft (3) extending out of one end of the reaction tank (1), and the insulating section is connected with a motor (41) which drives the rotating shaft (3) to rotate;
a spiral fixer (5) is wound on the periphery of the part of the rotating shaft (3) in the reaction tank (1), a plurality of biological discs (6) are detachably mounted on the spiral fixer (5) along a spiral, the biological discs (6) are in spiral blade shapes, the biological discs (6) are made of non-corrosive inert cathode materials and are attached with characteristic biological membranes, one end of the rotating shaft (3), far away from a motor (41), is rotatably connected with an electric slip ring (42) on the outer side of the reaction tank (1), the electric slip ring (42) is connected with a direct current negative electrode, the inner wall of the reaction tank (1) is lined with non-corrosive inert anode materials, and the inert anode materials are connected with a direct current positive electrode;
the bio-disc (6) is far away from the outer side of the rotating shaft (3) and is detachably provided with a cleaning brush (7), and a water outlet is formed in the bottom of one end of the reaction tank (1).
2. The device for purifying and recycling low-concentration heavy metal wastewater by using the electrochemical microorganism rotary disc as claimed in claim 1, wherein: the biological disc (6) is connected with the spiral fixer (5) through a bolt.
3. The device for purifying and recycling low-concentration heavy metal wastewater by using the electrochemical microorganism rotary disc as claimed in claim 1, wherein: the bio-disc (6) is kept away from the outside of pivot (3) is provided with mount pad (71), mount pad (71) to mounting hole (72) of taking the internal screw thread are seted up to pivot (3) direction, the one end of cleaning brush (7) is provided with connecting axle (73) that have the external screw thread, mounting hole (72) with connecting axle (73) threaded connection.
4. The device for purifying and recycling low-concentration heavy metal wastewater by using the electrochemical microorganism rotary disc as claimed in claim 1, wherein: and a sedimentation tank (2) is arranged at one end of the reaction tank (1) at the effluent overflow weir (82).
5. The device for purifying and recycling low-concentration heavy metal wastewater by using the electrochemical microorganism rotary disc as claimed in claim 1, wherein: the water inlet is connected with a water inlet pipe (81), and the water outlet is connected with a water outlet pipe (83).
6. The device for purifying and recycling low-concentration heavy metal wastewater by using the electrochemical microorganism rotary disc as claimed in claim 1, wherein: the motor (41) is a speed-regulating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922113310.5U CN211521948U (en) | 2019-11-29 | 2019-11-29 | Electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922113310.5U CN211521948U (en) | 2019-11-29 | 2019-11-29 | Electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit |
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| CN211521948U true CN211521948U (en) | 2020-09-18 |
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| CN201922113310.5U Expired - Fee Related CN211521948U (en) | 2019-11-29 | 2019-11-29 | Electrochemistry microorganism carousel low concentration heavy metal waste water purifies and recovery unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511735A (en) * | 2021-05-11 | 2021-10-19 | 张明媛 | Sewage treatment aeration tank drainage structure with self-cleaning function |
| CN115465941A (en) * | 2022-11-01 | 2022-12-13 | 浙江江河建设有限公司 | Biological membrane filtering device |
-
2019
- 2019-11-29 CN CN201922113310.5U patent/CN211521948U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511735A (en) * | 2021-05-11 | 2021-10-19 | 张明媛 | Sewage treatment aeration tank drainage structure with self-cleaning function |
| CN113511735B (en) * | 2021-05-11 | 2022-12-20 | 河北诚乾环保工程有限公司 | Sewage treatment aeration tank drainage structure with self-cleaning function |
| CN115465941A (en) * | 2022-11-01 | 2022-12-13 | 浙江江河建设有限公司 | Biological membrane filtering device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200918 Termination date: 20211129 |